74474000687 has 2 divisors, whose sum is σ = 74474000688. Its totient is φ = 74474000686.

The previous prime is 74474000633. The next prime is 74474000719. The reversal of 74474000687 is 78600047447.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74474000687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74474000087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37237000343 + 37237000344.

It is an arithmetic number, because the mean of its divisors is an integer number (37237000344).

Almost surely, 2^74474000687 is an apocalyptic number.

74474000687 is a deficient number, since it is larger than the sum of its proper divisors (1).

74474000687 is an equidigital number, since it uses as much as digits as its factorization.

74474000687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1053696, while the sum is 47.

The spelling of 74474000687 in words is "seventy-four billion, four hundred seventy-four million, six hundred eighty-seven", and thus it is an aban number.